package com.cn.wanxi.util;

import java.util.ArrayList;
import java.util.List;

public class Test {

    public static void main(String[] args) {
        int aa = new Test().aa();

        System.out.println(aa);
    }

    private Integer aa() {
        int a = 0;
        for (int i = 0; i < 5; i++) {
            if (i == 2) {
                return a;
            }
            a++;
        }
        List<String> list = new ArrayList<>();
        for (String s : list
        ) {

        }
        return a;
    }
}
